<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial  information (in thousands,  except per
share data) extracted from the Condensed Consolidated Balance Sheets at June 30,
2000  (unaudited)  and June 30, 1999  (restated) and the Condensed  Consolidated
Statements of Income for the Six Months Ended June 30, 2000 (unaudited) and June
30, 1999  (restated)  and is  qualified  in its  entirety by  reference  to such
financial statements.


<CIK>                         0000898173
<NAME>                        O'REILLY AUTOMOTIVE, INC.
<MULTIPLIER>                  1000
<CURRENCY>                    U.S. DOLLARS

                                                 
<PERIOD-TYPE>                   6-MOS                  6-MOS
<FISCAL-YEAR-END>               DEC-31-2000            DEC-31-1999
<PERIOD-START>                  JAN-1-2000             JAN-1-1999
<PERIOD-END>                    JUN-30-2000            JUN-30-1999
<EXCHANGE-RATE>                 1                      1
<CASH>                             10,985                  4,114
<SECURITIES>                          500                    500
<RECEIVABLES>                      33,291                 52,569
<ALLOWANCES>                          702                    682
<INVENTORY>                       328,143                285,431
<CURRENT-ASSETS>                  398,351                351,531
<PP&E>                            334,397                239,014
<DEPRECIATION>                     66,482                 47,035
<TOTAL-ASSETS>                    676,988                557,321
<CURRENT-LIABILITIES>             122,244                129,613
<BONDS>                                 0                      0
<PREFERRED-MANDATORY>                   0                      0
<PREFERRED>                             0                      0
<COMMON>                              512                    253
<OTHER-SE>                        433,413                375,110
<TOTAL-LIABILITY-AND-EQUITY>      676,988                557,321
<SALES>                           422,117                362,511
<TOTAL-REVENUES>                  422,920                362,718
<CGS>                             240,150                209,731
<TOTAL-COSTS>                     137,764                116,909
<OTHER-EXPENSES>                        0                      0
<LOSS-PROVISION>                      870                    565
<INTEREST-EXPENSE>                  3,405                  3,545
<INCOME-PRETAX>                    41,749                 33,018
<INCOME-TAX>                       15,829                 12,646
<INCOME-CONTINUING>                25,920                 20,372
<DISCONTINUED>                          0                      0
<EXTRAORDINARY>                         0                      0
<CHANGES>                               0                      0
<NET-INCOME>                       25,920                 20,372
<EPS-BASIC>                        0.51                   0.44
<EPS-DILUTED>                        0.50                   0.43